A CU reported a case which causes bufferoverflow.

REPRODUCE:
1. Set hostname length longer than 65

ex.
localrh64.a12345678.b12345678.c12345678.d12345678.e12345678.abcdefghijklmn.abcdefghijklmn.abcdefghijklmn.abcdefghijklmn.abcdefghijklmn.abcdefghijklmn.abcdefghijklmn.abcdefghijklmn.abcdefghijklmn

2. Execute attached test program

$ java -version
java version "1.7.0_01"
Java(TM) SE Runtime Environment (build 1.7.0_01-b04)
Java HotSpot(TM) 64-Bit Server VM (build 21.1-b02, mixed mode)

$ java -Djava.net.preferIPv4Stack=true Inet
#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x00002aaaab346a2e, pid=7230, tid=1095264576